With the growing popularity of Asynchronous Transfer Mode and frame relay services,encrypting data at the packet level is becoming an attractive alternative to the conventional method of securing transactions on a link-by-link basis.
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- 隨著(zhù)異步傳輸模式（ATM）和幀中繼服務(wù)的日漸流行（信息）包級上的數據加密正在成為一種鏈路到鏈路基礎上使交易安全進(jìn)行的頗有吸引力的常規替代辦法。
